# Service difficulty reports that cite it: Boeing SB 747-53-2452

A list on [Boeing SB 747-53-2452](https://openairdocs.org/service-documents/boeing/sb-747-53-2452.md).

Newest first, with the revision each cites, as OpenAirDocs read it from the records’ text. OpenAirDocs read these citations from the records’ text, so one can be misread: check it against the record. A newer revision may exist that no record cites.

- [SDR EIA2005052](https://openairdocs.org/sdr/EIA2005052.md): Floorbeam · Boeing 747212B · Mar 29, 2005 · N485EV · No revision named
  > U/D FLOORBEAM UPPER CHORD ONE FASTENER HOLE FOUND CRACKED AT BS 520 LBL 45 AFT FLANGE. THE CRACK PORTION TRIMMED OFF AND NDT CONFIRMED CRACK FREE CONDITION, THE FLOORBEAM REPAIRED PER SB 747-53-2452 F

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT s.sdr_id, s.difficulty_date, s.aircraft_make, s.aircraft_model, s.part_name, string_agg(DISTINCT c.revision, ', ' ORDER BY c.revision) AS revisions,
  bool_or(c.incorporated_by_reference) AS incorporated_by_reference, bool_or(c.in_regulatory_text) AS in_regulatory_text
FROM 'https://openairdocs.org/data/latest/service_document_citation.parquet' c JOIN 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' s ON s.sdr_id = c.record_id
WHERE c.document_id = 'boeing/sb-747-53-2452' AND c.record_type = 'faa_service_difficulty_report'
GROUP BY ALL
ORDER BY max(c.record_date) DESC
```

This list as a web page: https://openairdocs.org/service-documents/boeing/sb-747-53-2452/reports

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.